Home / 5,183,999.10-7,775,998.65-3,190,578.30

Finding the Fourth Proportional to 5,183,999.10, 7,775,998.65 and 3,190,578.30

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Solution

The fourth proportional to 5,183,999.10, 7,775,998.65 and 3,190,578.30 is: 4,785,867.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,183,999.10 : 7,775,998.65 = 3,190,578.30 : x
  2. Step 2: Convert to fraction form
    5,183,999.10/7,775,998.65 = 3,190,578.30/x
  3. Step 3: Cross multiply
    5,183,999.10x = 7,775,998.65 × 3,190,578.30
  4. Step 4: Simplify right side
    5,183,999.10x = 24,809,932,553,519.29
  5. Step 5: Solve for x
    x = 24,809,932,553,519.29/5,183,999.10
  6. Step 6: Final answer
    x = 4,785,867.45

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.